18443-1443 LEO  21AB

 
 
18H 44M 19.38S -14 43' 25.4" P.A. 13 SEP 4.2 MAG 11.10,12.10
 
 
Coord 2000
18443-1443
Discov num
LEO  21
Comp
AB
Coord arcsec 2000
18 44 19.38 -14 43 25.4
Date first
1905
Date last
2001
Obs
6
Pa first
7
Pa last
13
P.A. Now (θ)
13°
Sep first
4.2
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
11.10
Mag sec
12.10
delta mag (ΔM)
1
Spectral class
Pri motion ra
-003
Sec motion ra
+003
Pri motion dec
-005
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
18443-1443 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18443-1443 LEO 21 AB 1905 2001 6 13 4.2 11.10 12.10 1.00 <===
Show 18443-1443 LEO 21 AC 1917 2001 6 281 34.3 11.10 14.20 3.10
Show 18443-1443 J 2144 AD 1942 2001 5 21 17.3 11.10 14.10 3.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scutum
last precise pa
13.1
last precise sep
4.16